//会生产缩略图
public ActionResult UploadImgAndThumbnail(HttpPostedFileBase file)
{
if (CheckImg(file) != "ok")
{
return(Json(new { Success = false, Message = "文件格式不对！" }, JsonRequestBehavior.AllowGet));
}
if (file != null)
{
var path = "/Content/UploadFiles/Slider/";
var uploadpath = Server.MapPath(path);
if (!Directory.Exists(uploadpath))
{
Directory.CreateDirectory(uploadpath);
}
string fileName = Path.GetFileName(file.FileName); // 原始文件名称
string fileExtension = Path.GetExtension(fileName); // 文件扩展名
//string saveName = Guid.NewGuid() + fileExtension; // 保存文件名称 这是个好方法。
var random = Encrypt.GenerateOrderNumber();
string saveName = random + fileExtension; // 保存文件名称 这是个好方法。
var savepath = uploadpath + saveName;
file.SaveAs(uploadpath + saveName);
var thumbnailName = random + "_" + Width + fileExtension;
ImageManageHelper.GetThumbnail(savepath, uploadpath + thumbnailName, Width, Height);
return(Json(new { Success = true, SaveName = path + saveName, ThumbnailName = path + thumbnailName }));
}
return(Json(new { Success = false, Message = "请选择要上传的文件！" }, JsonRequestBehavior.AllowGet));
}
public ActionResult UploadImg(HttpPostedFileBase file, string dir = "UserImg")
{
if (CheckImg(file, imgtypes) != "ok")
{
return(Json(new { Success = false, Message = "文件格式不对！" }, JsonRequestBehavior.AllowGet));
}
if (file != null)
{
var path = "~/Content/UploadFiles/" + dir + "/";
var uploadpath = Server.MapPath(path);
if (!Directory.Exists(uploadpath))
{
Directory.CreateDirectory(uploadpath);
}
string fileName = Path.GetFileName(file.FileName); // 原始文件名称
string fileExtension = Path.GetExtension(fileName); // 文件扩展名
//string saveName = Guid.NewGuid() + fileExtension; // 保存文件名称 这是个好方法。
string saveName = Encrypt.GenerateOrderNumber() + fileExtension; // 保存文件名称 这是个好方法。
var saveUrl = uploadpath + saveName;
file.SaveAs(saveUrl);
if (file.ContentLength / 1024 > 500)//大于0.5M
{
var _saveName = Encrypt.GenerateOrderNumber() + "_bnailUrl" + fileExtension;
var thumbnailUrl = uploadpath + _saveName;
ImageManageHelper.GetPicThumbnail(saveUrl, thumbnailUrl, 400, 400, 90);
return(Json(new { Success = true, SaveName = path + _saveName }));
}
return(Json(new { Success = true, SaveName = path + saveName }));
}
return(Json(new { Success = false, Message = "请选择要上传的文件！" }, JsonRequestBehavior.AllowGet));
}
/// <summary>
/// 获取验证码
/// </summary>
/// <returns></returns>
public ActionResult GetValidateCode()
{
var vCode = ImageManageHelper.CreateValidateCode(5);
Session["ValidateCode"] = vCode;
var aa = Session["ValidateCode"];
byte[] bytes = ImageManageHelper.CreateValidateGraphic(vCode);
return(File(bytes, @"image/jpeg"));
}
public ActionResult MUploadImgBase64Str(string base64str)
{
try
{
var imgData = base64str.Split(',')[1];
//过滤特殊字符即可
string dummyData = imgData.Trim().Replace("%", "").Replace(",", "").Replace(" ", "+");
if (dummyData.Length % 4 > 0)
{
dummyData = dummyData.PadRight(dummyData.Length + 4 - dummyData.Length % 4, '=');
}
byte[] byteArray = Convert.FromBase64String(dummyData);
using (System.IO.MemoryStream ms = new System.IO.MemoryStream(byteArray))
{
var img = System.Drawing.Image.FromStream(ms);
var path = "~/Content/UploadFiles/mobile/";
var uploadpath = Server.MapPath(path);
if (!Directory.Exists(uploadpath))
{
Directory.CreateDirectory(uploadpath);
}
string saveName = Encrypt.GenerateOrderNumber() + ".jpg";
var savePath = uploadpath + saveName;
img.Save(savePath);
var bits = picFile2bytes(savePath);
if (bits.Length / 1024 > 500)//大于0.5M
{
var _saveName = Encrypt.GenerateOrderNumber() + "_thumbnailUrl" + ".jpg";
var thumbnailUrl = uploadpath + _saveName;
var maxh = 400;
var maxw = 400;
if (img.Width > maxw)
{
maxh = 400 * img.Height / img.Width;
}
ImageManageHelper.GetPicThumbnail(savePath, thumbnailUrl, maxh, maxw, 90);
return(Json(new { Success = true, SaveName = "/Content/UploadFiles/Mobile/" + _saveName }));
}
return(Json(new { Success = true, SaveName = "/Content/UploadFiles/Mobile/" + saveName }));
}
}
catch (Exception e)
{
return(Json(e.Message));
}
}
public ActionResult UploadImg(HttpPostedFileBase file, string dir = "UserImg")
{
if (CheckImg(file) != "ok")
{
return(Json(new { Success = false, Message = "文件格式不对！" }, JsonRequestBehavior.AllowGet));
}
if (file != null)
{
var path = "~/Content/UploadFiles/" + dir + "/";
var uploadpath = Server.MapPath(path);
if (!Directory.Exists(uploadpath))
{
Directory.CreateDirectory(uploadpath);
}
string fileName = Path.GetFileName(file.FileName); // 原始文件名称
string fileExtension = Path.GetExtension(fileName); // 文件扩展名
//string saveName = Guid.NewGuid() + fileExtension; // 保存文件名称 这是个好方法。
string saveName = Encrypt.GenerateOrderNumber() + fileExtension; // 保存文件名称 这是个好方法。
var saveUrl = uploadpath + saveName;
// file.SaveAs(saveUrl);
System.Drawing.Image image = ImageManageHelper.RotateImage(file.InputStream);
image.Save(saveUrl);
if (file.ContentLength / 1024 > 500)//大于0.5M
{
var _saveName = Encrypt.GenerateOrderNumber() + "_thumbnailUrl" + fileExtension;
var thumbnailUrl = uploadpath + _saveName;
var maxh = 400;
var maxw = 400;
if (image.Width > maxw)
{
maxh = 400 * image.Height / image.Width;
}
ImageManageHelper.GetPicThumbnail(saveUrl, thumbnailUrl, maxh, maxw, 90);
return(Json(new { Success = true, SaveName = "/Content/UploadFiles/Mobile/" + _saveName }));
}
return(Json(new { Success = true, SaveName = "/Content/UploadFiles/Mobile/" + saveName }));
}
return(Json(new { Success = false, Message = "请选择要上传的文件！" }, JsonRequestBehavior.AllowGet));
}
